Dear Mark, If I understood correctly, the following should work: index <- apply(pvh, 1, function(x) any(x == "dnv") ) pvh_dnv <- pvh[index,] pvh_dnv
HTH, Jorge On Tue, Jun 16, 2009 at 1:41 PM, Mark Na <mtb...@gmail.com> wrote: > Hi R-helpers, > > I'm trying to use this code > > > pvh_dnv<-pvh[sapply(pvh=="dnv"),] > > to make a new dataframe containing the rows from pvh that contain the > value of "dnv" in ANY column. > > But, it's not working. I get this error > > Error in match.fun(FUN) : element 1 is empty; > the part of the args list of 'is.function' being evaluated was: > (FUN) > > which, to me, is cryptic. > > I'd appreciate any help you might provide, thanks! > > Mark Na > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.